Kampani ya Shanghai Deborn Co., Ltd. yakhala ikugwira ntchito yogulitsa zowonjezera mankhwala kuyambira 2013, yomwe ili ku Pudong New District ku Shanghai.
Deborn imagwira ntchito yopereka mankhwala ndi mayankho a nsalu, mapulasitiki, zokutira, utoto, zamagetsi, mankhwala, nyumba ndi mafakitale osamalira anthu.
BP-2 ndi ya banja la benzophenone yomwe imalowa m'malo mwake yomwe imateteza ku kuwala kwa ultraviolet.
BP-2 imayamwa kwambiri m'madera a UV-A ndi UV-B, motero imagwiritsidwa ntchito kwambiri ngati fyuluta ya UV m'mafakitale okongoletsa komanso mankhwala apadera.
Ali ndi kulemera kwakukulu kwa mamolekyulu, sasinthasintha, amakana kutulutsa; amapangidwa mosavuta.
Choyamwa cha UV cha benzotriazole chomwe chingalepheretse kuwonongeka kwa okosijeni, kuteteza ulusi, ndikukweza mtundu wa zinthu zopangidwa ndi nsalu; uwu ndi mbadwo watsopano wa zoyamwa za UV zokhala ndi ukadaulo wovomerezeka ndipo zidapambana satifiketi yazinthu zofunika kwambiri m'boma mu 2007, zafika pamlingo wapadziko lonse lapansi.
Chogulitsachi chikuyenera mu Polyolefine, Polyvinyl chloride, galasi lachilengedwe ndi zina. Kutalika kwa mafunde okhuthala kwambiri ndi 270-400nm.
Chogulitsachi chimagwira ntchito bwino kwambiri pokhazikitsa kuwala, ndipo chimagwiritsidwa ntchito kwambiri mu pulasitiki ndi zinthu zina zachilengedwe. Chimayamwa kuwala kwa ultraviolet komanso chimakhala chosasunthika.
Monga chothandizira kuyamwa kwa ultraviolet, chimapezeka ku PVC, polystyrene ndi Polyolefine ndi zina zotero. Kutalika kwa mafunde othamanga kwambiri ndi 280-340nm. Kugwiritsa ntchito konsekonse: 0.1-0.5% pa zinthu zoonda, 0.05-0.2% pa zinthu zokhuthala.
Tridecyl phosphite ndi mankhwala ophera antioxidants opanda phenol, oteteza chilengedwe. Ndi mankhwala othandiza kwambiri oletsa kutentha kwa phosphite amadzimadzi a polyolefin, polyuranthane, zokutira, ABS, mafuta ndi zina zotero. Ingagwiritsidwe ntchito mu PVC yolimba komanso yopangidwa ndi pulasitiki kuti ipereke mitundu yowala komanso yogwirizana komanso kusintha mtundu ndi kumveka bwino koyambirira.
Imagwiritsidwa ntchito pa ABS, PVC, polyurethane, zokutira, zomatira ndi zina zotero.
Chosawononga ma thermal-oxidation chokana ma antioxidants. Choyenera SBS, TPR, TPS, PS, SBR, BR, PVC, PE, PP, ABS ndi ma elastomer ena a rabara, chokhala ndi mphamvu yayikulu yokhazikika pa ma thermal oxidation, chokonzedwa, sichisintha mitundu ikagwiritsidwa ntchito, makamaka choyenera chokhazikika pa ma thermal-change stabilizer. Palibe zotsatira zoyipa pa mtundu wa chinthucho; chimagwiritsidwa ntchito kwambiri mu zinthu zoyera ndi chromic.
Antioxidant P-EPQ ndi antioxidant yachiwiri yomwe imagwira ntchito bwino kwambiri komanso imapirira kutentha kwambiri.
Yoyenera ma polima a PP, PA, PU, PC, EVA, PBT, ABS ndi ma polima ena, makamaka mapulasitiki aukadaulo monga ma PC, PET, PA, PBT, PS, PP, PE-LLD, EVA.
Amagwiritsidwa ntchito mu ma polylefins (monga polyethylene, polypropylene ndi zina), PU, ABS ndi chingwe cholumikizirana ndi zina. Ndi mankhwala oletsa antioxidant a phenolic komanso oletsa zitsulo. Amateteza ma polima kuti asawonongeke ndi kuwonongeka kwa okosijeni komanso chitsulo chomwe chimathandizira kuwonongeka panthawi yokonza ndi kugwiritsa ntchito. Antioxidant iyi imaperekanso mphamvu zokhazikika kwa kutentha kwa nthawi yayitali.
Antioxidant HP136 ndi yothandiza kwambiri pokonza polypropylene pa kutentha kwambiri mu zipangizo zotulutsira. Imatha kuletsa chikasu ndikuteteza zinthuzo mwa kutseka mpweya wa carbon ndi alkyl womwe umapezeka mosavuta mukakhala ndi hypoxic.
Imagwira ntchito bwino kwambiri ndi phenolic antioxidant AO1010 ndi Phosphite Ester Antioxidant AO168.
Antioxidant DTDTP ndi antioxidant yachiwiri ya thioester ya ma polima achilengedwe omwe amawola ndikuletsa ma hydroperoxides opangidwa ndi auto-oxidation ya ma polima. Ndi antioxidant ya mapulasitiki ndi ma rabara ndipo ndi yokhazikika bwino ya ma polyolefins, makamaka PP ndi HDPE. Imagwiritsidwa ntchito makamaka mu ABS, HIPS PE, PP, polyamides, ndi ma polyester.
